Available on the Tandy Color Computer, also known as CoCo.
 (at the computer)
 (at the computer)
4 PIN DIN 270° FEMALE at the computer.
| Pin | Name | Description | 
|---|---|---|
| 1 | NC | |
| 2 | /BUSY | Enabled when the printer is busy | 
| 3 | GND | |
| 4 | DATA | RS-232 level data | 
| Contributor: | Rob Gill | 
| Source: | Tandy TRP 100 printer manual | 
  Copyright © The Hardware Book Team 1996-2004.
  May be copied and redistributed, partially or in whole, as appropriate.
  Document last modified: 2002-01-10